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Paper Abstract and Keywords
Presentation 2022-04-15 14:20
Dielectric Anisotropy Measurement Method for Sheet Materials by Transmitted Waves of Co-Polarization and Cross-Polarization of Parallel Millimeter-wave Beam
Ryutaro Oba, Atsuhiro Nishikata (Tokyo Tech), Masataka Midori, Hiroshi Kurihara (TDK) EMCJ2022-4
Abstract (in Japanese) (See Japanese page) 
(in English) In the parallel millimeter-wave beam method using dielectric lenses, the transmitted $S_{21}$ parameter changes due to the dielectric permittivity anisotropy when the sheet material rotates around the beam axis. Since the information obtained from $S_{21}$ differs between the co-polarization measurement, in which the polarization directions of the transmitting and receiving antennas are matched, and the cross-polarization measurement, in which they are orthogonal, we investigated how the co-polarization measurement and cross-polarization measurement contribute to the estimation of the principal value of the complex permittivity tensor, respectively. In particular, we show that the cross-polarization measurement is sensitive to the difference between two principal values of complex permittivity, and experimentally investigate whether it is advantageous for estimating the same difference.
Keyword (in Japanese) (See Japanese page) 
(in English) Parallel beam method / Dielectric permittivity anisotropy / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 4, EMCJ2022-4, pp. 19-24, April 2022.
Paper # EMCJ2022-4 
Date of Issue 2022-04-08 (EMCJ) 
ISSN Online edition: ISSN 2432-6380
Copyright
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reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee EMCJ  
Conference Date 2022-04-15 - 2022-04-15 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) EMC 
Paper Information
Registration To EMCJ 
Conference Code 2022-04-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Dielectric Anisotropy Measurement Method for Sheet Materials by Transmitted Waves of Co-Polarization and Cross-Polarization of Parallel Millimeter-wave Beam 
Sub Title (in English)  
Keyword(1) Parallel beam method  
Keyword(2) Dielectric permittivity anisotropy  
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1st Author's Name Ryutaro Oba  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
2nd Author's Name Atsuhiro Nishikata  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
3rd Author's Name Masataka Midori  
3rd Author's Affiliation TDK Corporation (TDK)
4th Author's Name Hiroshi Kurihara  
4th Author's Affiliation TDK Corporation (TDK)
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Speaker Author-1 
Date Time 2022-04-15 14:20:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2022-4 
Volume (vol) vol.122 
Number (no) no.4 
Page pp.19-24 
#Pages 6 
Date of Issue 2022-04-08 (EMCJ) 

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